Kensei Odaka (小鷹 賢政, Odaka Kensei) is a major supporting character in Kamen Rider Zeztz. Originally a police officer in the Paranormal Affairs Division, he later became a CODE agent known as Code Number: Four (コードナンバー：フォー, Kōdo Nanbā: Fō). After defecting from CODE, he began working with The Lady and operated in the Dream World under the alias Nox (ノクス, Nokusu). Though Nox would return to using the form from his time in CODE, now known as Nox Knight (ノクスナイト, Nokusu Naito), he eventually reawakens in reality and becomes Kamen Rider Nox (仮面ライダーノクス, Kamen Raidā Nokusu).